Neumann Helmut, Kuester Dörthe, Mönkemüller Klaus
Division of Gastroenterology, Hepatology and Infectious Diseases, Otto-von-Guericke University, Magdeburg, Germany.
Gastroenterology. 2009 Sep;137(3):790, 1188. doi: 10.1053/j.gastro.2009.02.082. Epub 2009 Jul 29.